History of Wells Fargo. This article outlines the history of Wells Fargo & Company from its origins to its merger with Norwest Corporation and beyond. The new company chose to retain the name of Wells Fargo and so this article also includes the history after the merger.
Other method takes advantage of the varying conductivities of blood at. different concentrations of blood. In Hemoglobincyanide method hemoglobin is chemically converted to form a cyanmethemoglobin. which is having maximum absorption around 540nm wavelength. The hemoglobin concentration is determined.
Deoxy Hb absorbs more red light than infrared light. You might find the memory aide below useful to remember the wavelengths absorbed by oxy Hb and deoxy Hb. The pulse oximeter works out the oxygen saturation by comparing how much red light and infra red light is absorbed by the blood.